The World Wide Web version of the Executive Summary of the WMO/UNEP Scientific Assessment of Ozone Depletion: 1998 was prepared by Catherine A. Burgdorf of the NOAA Aeronomy Lab, Boulder, Colorado, in cooperation with Dr. Daniel L. Albritton and Dr. Christine A. Ennis of the NOAA Aeronomy Laboratory.

The Executive Summary may be reproduced or excerpted, without modification, provided the source is duly and conspicuously acknowledged in every instance as: